Aminated glycidyl methacrylates as a support media for goethite nanoparticle enabled hybrid sorbents for arsenic removal: From copolymer synthesis to full-scale system modeling

Aminated glycidyl methacrylates as a support media for goethite nanoparticle enabled hybrid sorbents for arsenic removal: From copolymer synthesis to full-scale system modeling

Bibliographic Details
Parent link:Resource-Efficient Technologies: electronic scientific journal/ National Research Tomsk Polytechnic University (TPU).— , 2015-.— 2405-6537
Vol. 2, Iss. 1.— 2016.— [P. 15-22]
Other Authors: Khaled Taleb, Markovski J. Jasmina, Hristovski K. D. Kiril, Rajakovic-Ognjanovic V. N. Vladana, Onjia A. Antonije, Marinkovic A. Aleksandar
Summary:Title screen
To achieve short mass transfer zones that enable arsenic removal under high hydraulic loading rates and short empty bed contact times neededfor small point-of-use packed bed applications, hybrid media was developed and tested. Cross-linked macroporous glycidyl methacrylatecopolymer support media was synthetized, amino modified and in-situ impregnated by goethite nanoparticles via an oxidative deposition in ahydrophilic/hydrophobic (water/xylene) system. The media properties were characterized via scanning electron microscopy (SEM), energydispersive X-ray analysis (EDS), X-ray diffraction (XRD), and surface area analysis. Arsenic removal capabilities of the hybrid goethiteimpregnated media were evaluated by conducting batch sorption tests, developing isotherms and simulating the breakthrough curve with a poresurface diffusion model (PSDM), after being verified by a short bed column (SBC) test. The high porous media (ep ˜ 0.7) contained ~16% of iron and exhibited Freundlich adsorption capacity parameter of K ˜ 369 (µg g-1)(L µg-1) 1/n and Freundlich intensity parameter of 1/n ˜ 0.54. Without engaging in taxing pilot scale testing, the PSDM was able to provide a good prediction of the media’s capacity and intraparticle mass transport properties under high hydraulic loading rates.
Published: 2016
Subjects:
труды учёных ТПУ
электронный ресурс
мышьяк
полимеры
гетит
моделирование
Online Access:http://earchive.tpu.ru/handle/11683/50228
Format: Electronic Book Chapter
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=565821

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